Serial processing fix

Author: abratchik

esp32-cam-webserver.ino

@@ -147,7 +147,7 @@ void handleSerial() {
         // Rceiving commands and data from serial. Any input, which doesnt start from '#' is ignored.
         if (cmd == '#' ) {
             String rsp = Serial.readStringUntil('\n');
-            // TODO: feed back to client for parsing
+            sprintf(AppHttpd.getSerialBuffer(), rsp.c_str());
         }
     }
 }

src/app_httpd.cpp

@@ -241,7 +241,11 @@ void onControl(AsyncWebServerRequest *request) {
     String value = request->arg("val");
 
     if(variable == "cmdout") {
-        AppHttpd.serialSendCommand(value);
+        if(AppHttpd.isDebugMode()) {
+            Serial.print("cmmdout=");
+            Serial.println(value.c_str());
+        }
+        AppHttpd.serialSendCommand(value.c_str());
         request->send(200, "", "OK");
         return;
     }
@@ -447,19 +451,16 @@ void dumpSystemStatusToJson(char * buf, size_t size) {
 
     buf += sprintf(buf,"\"storage_size\":%i,", storageSize());
     buf += sprintf(buf,"\"storage_used\":%i,", storageUsed());
-    buf += sprintf(buf,"\"storage_units\":\"%s\"", (capacityUnits()==STORAGE_UNITS_MB?"MB":""));
+    buf += sprintf(buf,"\"storage_units\":\"%s\",", (capacityUnits()==STORAGE_UNITS_MB?"MB":""));
+    buf += sprintf(buf,"\"serial_buf\":\"%s\"", AppHttpd.getSerialBuffer());
     buf += sprintf(buf, "}");
 }
 
-void CLAppHttpd::serialSendCommand(char *cmd) {
+void CLAppHttpd::serialSendCommand(const char *cmd) {
     Serial.print("^");
     Serial.println(cmd);
 }
 
-void CLAppHttpd::serialSendCommand(String cmd) {
-    serialSendCommand(cmd.c_str());
-}
-
 int CLAppHttpd::loadPrefs() {
     jparse_ctx_t jctx;
     int ret  = parsePrefs(&jctx);

src/app_httpd.h

@@ -54,8 +54,7 @@ class CLAppHttpd : public CLAppComponent {
 
         void updateSnapTimer(int frameRate);
 
-        void serialSendCommand(char *cmd);
-        void serialSendCommand(String cmd);
+        void serialSendCommand(const char * cmd);
 
         int getSketchSize(){ return sketchSize;};
         int getSketchSpace() {return sketchSpace;};
@@ -65,13 +64,17 @@ class CLAppHttpd : public CLAppComponent {
 
         char * getName() {return myName;};
 
+        char * getSerialBuffer() {return serialBuffer;};
+
 
     private:
 
         // Name of the application used in web interface
         // Can be re-defined in the httpd.json file
         char myName[20] = CAM_NAME;
 
+        char serialBuffer[64];
+
         AsyncWebServer *server;
         AsyncWebSocket *ws; 
         uint32_t client_id = 0;